Currently this pinctrl driver only supports BLSP UART2 specific pin configuration.
Signed-off-by: Sumit Garg sumit.garg@linaro.org --- arch/arm/mach-snapdragon/Makefile | 1 + arch/arm/mach-snapdragon/pinctrl-qcs404.c | 55 +++++++++++++++++++ arch/arm/mach-snapdragon/pinctrl-snapdragon.c | 1 + arch/arm/mach-snapdragon/pinctrl-snapdragon.h | 1 + 4 files changed, 58 insertions(+) create mode 100644 arch/arm/mach-snapdragon/pinctrl-qcs404.c
diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile index 962855eb8c..cb8c1aa8d2 100644 --- a/arch/arm/mach-snapdragon/Makefile +++ b/arch/arm/mach-snapdragon/Makefile @@ -15,4 +15,5 @@ obj-y += dram.o obj-y += pinctrl-snapdragon.o obj-y += pinctrl-apq8016.o obj-y += pinctrl-apq8096.o +obj-y += pinctrl-qcs404.o obj-$(CONFIG_SDM845) += pinctrl-sdm845.o diff --git a/arch/arm/mach-snapdragon/pinctrl-qcs404.c b/arch/arm/mach-snapdragon/pinctrl-qcs404.c new file mode 100644 index 0000000000..889ead0f57 --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-qcs404.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm QCS404 pinctrl + * + * (C) Copyright 2022 Sumit Garg sumit.garg@linaro.org + */ + +#include "pinctrl-snapdragon.h" +#include <common.h> + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN] __section(".data"); +static const char * const msm_pinctrl_pins[] = { + "SDC1_RCLK", + "SDC1_CLK", + "SDC1_CMD", + "SDC1_DATA", + "SDC2_CLK", + "SDC2_CMD", + "SDC2_DATA", +}; + +static const struct pinctrl_function msm_pinctrl_functions[] = { + {"blsp_uart2", 1}, +}; + +static const char *qcs404_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *qcs404_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + if (selector < 120) { + snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector); + return pin_name; + } else { + return msm_pinctrl_pins[selector - 120]; + } +} + +static unsigned int qcs404_get_function_mux(unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +struct msm_pinctrl_data qcs404_data = { + .pin_count = 126, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = qcs404_get_function_name, + .get_function_mux = qcs404_get_function_mux, + .get_pin_name = qcs404_get_pin_name, +}; diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c index d1c560dd40..c2148a5d0a 100644 --- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c @@ -119,6 +119,7 @@ static const struct udevice_id msm_pinctrl_ids[] = { #ifdef CONFIG_SDM845 { .compatible = "qcom,tlmm-sdm845", .data = (ulong)&sdm845_data }, #endif + { .compatible = "qcom,tlmm-qcs404", .data = (ulong)&qcs404_data }, { } };
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h index ea524312a0..178ee01a41 100644 --- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h @@ -28,5 +28,6 @@ struct pinctrl_function { extern struct msm_pinctrl_data apq8016_data; extern struct msm_pinctrl_data apq8096_data; extern struct msm_pinctrl_data sdm845_data; +extern struct msm_pinctrl_data qcs404_data;
#endif